Chitin is a chemical component of the cell walls

Choose the diagram that best represents a habitat corridor explain your choice.

Introducing minvasive species to an ecosystem results in an increase in biodiversity is it true or false

What is point source pollution of an aquatic ecosystem? a) pollution of freshwater sources b) pollution from many sources that combine into one c) pollution that occurs over a wide area; water that runs off from fields, parking lots, and other land surfaces d) pollution that can easily be identified with a single discharge source, such as an open pipe which drains into a body of water